591 FZUS72 KTBW 301905 MWSTBW Marine Weather Statement National Weather Service Tampa Bay Area Ruskin FL 305 PM EDT Sun Aug 30 2026 GMZ830-853-856-302030- 305 PM EDT Sun Aug 30 2026 ...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Coastal waters from Bonita Beach to Englewood FL out 20 NM... Coastal waters from Englewood to Tarpon Springs FL out 20 NM... Tampa Bay waters... At 304 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 16 nm northeast of Venice to 24 nm east of Siesta Key to 34 nm southeast of Hillsborough Bay, moving northwest at 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. These strong thunderstorms will likely produce winds to around 30 knots, and could pose a serious hazard for boaters. A special marine warning may eventually be required when these strong thunderstorms reaches the nearshore waters. Boaters should consider heading for shore before these strong thunderstorms arrives. Intense lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 2695 8236 2687 8267 2762 8303 2803 8307 2808 8271 2798 8250 2798 8239 2787 8233 2775 8234 2771 8243 2747 8257 2733 8245 2706 8237 2701 8232 $$ TBW  058 WGUS55 KFGZ 301907 FFWFGZ AZC005-302100- /O.NEW.KFGZ.FF.W.0140.260830T1907Z-260830T2100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Flagstaff AZ 1207 PM MST Sun Aug 30 2026 The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... The Antelope Creek basin in... Coconino County in north central Arizona... * Until 200 PM MST /300 PM MDT/. * At 1207 PM MST /107 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain over the Antelope Creek basin. Between 0.25 and 0.5 inches of rain have fallen. Additional rainfall amounts of 0.25 to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Antelope Creek basin. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Antelope Creek basin. * Some locations that will experience flash flooding include... Rattlesnake Canyon, Owl Canyon, Upper Antelope Canyon, Lower Antelope Canyon, Porcupine Canyon, Mountain Sheep Canyon, LeChee and Wind Pebble Canyon. This includes the following slot canyons... Upper Antelope Canyon, Lower Antelope Canyon, Owl Canyon, Rattlesnake Canyon and Porcupine Canyon. This includes the following creeks, washes and rivers... Antelope Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Get out of Antelope Canyon and other area slot canyons immediately! Deadly flash flooding is imminent or occurring! && LAT...LON 3690 11138 3683 11133 3683 11139 3689 11143 3694 11144 3694 11143 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ JJ  147 FZUS72 KTBW 301908 MWSTBW Marine Weather Statement National Weather Service Tampa Bay Area Ruskin FL 308 PM EDT Sun Aug 30 2026 GMZ850-302045- 308 PM EDT Sun Aug 30 2026 ...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM... At 307 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 15 nm northeast of Yankeetown to 12 nm east of Crystal River to 18 nm east of Bayport, moving west at 20 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. These strong thunderstorms will likely produce winds to around 30 knots, and could pose a serious hazard for boaters. A special marine warning may eventually be required when these strong thunderstorms reaches the nearshore waters. Boaters should consider heading for shore before these strong thunderstorms arrives. && LAT...LON 2930 8307 2923 8299 2924 8273 2915 8274 2890 8257 2853 8257 2833 8264 2833 8291 2879 8300 2921 8342 2930 8316 $$ TBW  133 WGUS55 KSLC 301912 FFWSLC UTC025-302215- /O.NEW.KSLC.FF.W.0094.260830T1912Z-260830T2215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 112 PM MDT Sun Aug 30 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... Southwestern Kane County in southern Utah... * Until 415 PM MDT. * At 112 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks, streams and normally dry washes. * Some locations that will experience flash flooding include... Johnson Wash and Johnson Lakes Canyon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Dry washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. && LAT...LON 3719 11247 3719 11224 3700 11228 3700 11242 3707 11244 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ CRK  578 WWUS55 KGGW 301918 SVSGGW Severe Weather Statement National Weather Service Glasgow MT 118 PM MDT Sun Aug 30 2026 MTC021-033-055-079-301945- /O.CON.KGGW.SV.W.0134.000000T0000Z-260830T1945Z/ Garfield MT-McCone MT-Prairie MT-Dawson MT- 118 PM MDT Sun Aug 30 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM MDT FOR EAST CENTRAL GARFIELD...SOUTHERN MCCONE...NORTHWESTERN PRAIRIE AND WEST CENTRAL DAWSON COUNTIES... At 118 PM MDT, a severe thunderstorm was located 12 miles northwest of Brockway, or 14 miles west of Circle, moving northeast at 65 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Circle, Flowing Wells Rest Area, Nelson Creek Rec Area, Brockway, Weldon, Watkins, and Van Norman. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4715 10622 4747 10668 4769 10649 4752 10517 4683 10567 4694 10588 TIME...MOT...LOC 1918Z 215DEG 55KT 4745 10589 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Stoinski  039 WWUS55 KSLC 301926 SVSSLC Severe Weather Statement National Weather Service Salt Lake City UT 126 PM MDT Sun Aug 30 2026 UTC025-301936- /O.EXP.KSLC.SV.W.0106.000000T0000Z-260830T1930Z/ Kane UT- 126 PM MDT Sun Aug 30 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KANE COUNTY WILL EXPIRE AT 130 PM MDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. However small hail, gusty winds and heavy rain are still possible with this thunderstorm. LAT...LON 3709 11245 3733 11214 3715 11196 3700 11239 TIME...MOT...LOC 1926Z 226DEG 19KT 3724 11220 $$ JCW  633 WUUS55 KBYZ 301942 SVRBYZ MTC075-302015- /O.NEW.KBYZ.SV.W.0143.260830T1942Z-260830T2015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Billings MT 142 PM MDT Sun Aug 30 2026 The National Weather Service in Billings has issued a * Severe Thunderstorm Warning for... Central Powder River County in southeastern Montana... * Until 215 PM MDT. * At 142 PM MDT, a severe thunderstorm was located 9 miles northwest of Broadus, moving east at 45 mph. HAZARD...70 mph wind gusts and small hail. SOURCE...Home Creek Divide DOT reported a 65 mph wind gust at 1:30 PM MDT. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Broadus, Biddle, Olive, Sonnette and Moorhead. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. Wind damage with this storm may occur before any rain or lightning. Do not wait for the sound of thunder before taking cover. Seek shelter immediately inside a sturdy structure and stay away from windows. && LAT...LON 4500 10588 4578 10593 4579 10541 4579 10531 4500 10532 TIME...MOT...LOC 1941Z 261DEG 36KT 4551 10558 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...70 MPH $$ Matos  181 WHUS52 KTBW 301944 SMWTBW GMZ836-302030- /O.NEW.KTBW.MA.W.0174.260830T1944Z-260830T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Tampa Bay Area Ruskin FL 344 PM EDT Sun Aug 30 2026 The National Weather Service in Ruskin has issued a * Special Marine Warning for... Charlotte Harbor and Pine Island Sound... * Until 430 PM EDT. * At 344 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 16 nm east of Don Pedro Island to 12 nm east of Boca Grande to 7 nm northeast of North Captiva Island, moving northwest at 15 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can quickly form and capsize boats, damage vessels, and create suddenly higher waves. Make sure all on board are in a secure location and wearing life jackets. Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. Make sure all on board are wearing life jackets. * Severe thunderstorms will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 2672 8200 2659 8203 2665 8221 2692 8223 2698 8222 2700 8219 2700 8206 2693 8200 2677 8199 TIME...MOT...LOC 1944Z 149DEG 14KT 2696 8204 2680 8203 2666 8210 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...>34KTS $$ TBW  187 WWUS55 KGGW 301945 SVSGGW Severe Weather Statement National Weather Service Glasgow MT 145 PM MDT Sun Aug 30 2026 MTC021-033-055-079-301955- /O.EXP.KGGW.SV.W.0134.000000T0000Z-260830T1945Z/ Garfield MT-McCone MT-Prairie MT-Dawson MT- 145 PM MDT Sun Aug 30 2026 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL GARFIELD... SOUTHERN MCCONE...NORTHWESTERN PRAIRIE AND WEST CENTRAL DAWSON COUNTIES HAS EXPIRED... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been allowed to expire. However, gusty winds are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 900 PM MDT for northeastern Montana. && LAT...LON 4715 10622 4747 10668 4769 10649 4752 10517 4683 10567 4694 10588 TIME...MOT...LOC 1945Z 215DEG 55KT 4778 10554 $$ Stoinski  469 WUUS55 KBOU 301953 SVRBOU COC013-047-059-302030- /O.NEW.KBOU.SV.W.0375.260830T1953Z-260830T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Denver CO 153 PM MDT Sun Aug 30 2026 The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Northern Gilpin County in central Colorado... Northwestern Jefferson County in central Colorado... Southwest Boulder and Southeast Boulder County in northeastern Colorado... * Until 230 PM MDT. * At 153 PM MDT, a severe thunderstorm was located over Rollinsville, or 33 miles northwest of Denver, moving east at 35 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Southwestern Boulder, Nederland, Pinecliffe, Rollinsville, Eldora, Tolland, Eldorado Springs, East Portal, Crescent Village and Caribou. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. && LAT...LON 3986 10567 4001 10563 4002 10529 3986 10523 PARTITION...708013 908013 TIME...MOT...LOC 1952Z 267DEG 30KT 3993 10552 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 20